.box {
  height: 100px;
  width: 100px;
  background-color: #ff9c9c;
}
.box4 {
  width: 100px;
  height: 100px;
  background: url(../img/ju1.jpg);
}
.box5 {
  width: 100px;
  height: 100px;
  background: url(../img/ju2.png);
}
